Downy Aster Symphyotrichum ericoides
Other Common Name(s):
Previously known as:
- Aster pilosus
- Phonetic Spelling
- ASS-ter pil-OH-sus
- Description
-
Heath aster is a perennial in the Asteraceae (daisy) family native to North America. The genus name Symphyotrichum comes from the Greek word "symph" which means come together and "trich" or hair in reference to the hairy looking flower anthers. The speices ericoides refers to this plants resemblece to a plant from the Erica or heather genus. Specific epithet means resembling the family Ericaceae (heather).In its native habitat is found growing in dry thickets, roadsides, clearings, and fields. It grows to a height of 18 inches to 3 feet tall and 1 foot to 18 inches wide depending on wind and the dryness of growing conditions.
Plant in the full sun with medium to dry well-drained soils. It tolerates a wide range of soils including shallow and rocky, heavy clay, and poor soils. Once established it is tolerant of drought and deer browsing. This species is resistant to mildew. Cut back hard in the early spring to improve appearance.
The profuse showy white daisy-like flowers are attractive to bees and butterflies nd provide much needed late season nectar as they bloom from late summer to mid fall. It is effective for erosion mitigation in sloped areas. Use it in the front of a border in a cut flower, rock, or wildflower garden, or let this plant naturalize but be sure to provide plenty of room.
Fire Risk: This plant has a medium flammability rating.
Insects, Diseases, and Other Plant Problems: No serious problems. Tall plants may need staking.
- See this plant in the following landscape:
- Cultivars / Varieties:
-
- 'Snow Flurry'
Grows along the ground, white flowers
- 'Snow Flurry'
- 'Snow Flurry'
- Tags:
- Cultivars / Varieties:
-
- 'Snow Flurry'
Grows along the ground, white flowers
- 'Snow Flurry'
- 'Snow Flurry'
- Tags:
-
-
Attributes:
- Genus:
- Symphyotrichum
- Species:
- pilosus
- Family:
- Asteraceae
- Life Cycle:
- Perennial
- Recommended Propagation Strategy:
- Division
- Seed
- Country Or Region Of Origin:
- Canada, northern central U.S.A., to Mexico
- Fire Risk Rating:
- medium flammability
- Wildlife Value:
- Flowers are attractive to butterflies. Members of the genus Symphyotrichum support the following specialized bees: Andrena (Callandrena s.l.) asteris, Andrena (Callandrena s.l.) asteroides, Andrena (Cnemidandrena) hirticincta, Andrena (Cnemidandrena) nubecula, Andrena (Callandrena s.l.) placata, Andrena (Callandrena s.l.) simplex, and Colletes simulans.
- Particularly Resistant To (Insects/Diseases/Other Problems):
- Mildew
- Dimensions:
- Height: 1 ft. 6 in. - 3 ft. 0 in.
- Width: 1 ft. 0 in. - 1 ft. 6 in.
-
-
Whole Plant Traits:
- Plant Type:
- Herbaceous Perennial
- Wildflower
- Woody Plant Leaf Characteristics:
- Deciduous
- Habit/Form:
- Erect
- Growth Rate:
- Medium
- Maintenance:
- Low
- Texture:
- Medium
-
-
Cultural Conditions:
- Light:
- Full sun (6 or more hours of direct sunlight a day)
- Soil Texture:
- Clay
- Loam (Silt)
- Sand
- Shallow Rocky
- Soil pH:
- Alkaline (>8.0)
- Soil Drainage:
- Good Drainage
- Occasionally Dry
- Available Space To Plant:
- 12 inches-3 feet
- NC Region:
- Coastal
- Mountains
- Piedmont
- USDA Plant Hardiness Zone:
- 3a, 3b, 4a, 4b, 5a, 5b, 6a, 6b, 7a, 7b, 8a, 8b, 9a, 9b
-
-
Fruit:
- Fruit Type:
- Achene
-
-
Flowers:
- Flower Color:
- Gold/Yellow
- Purple/Lavender
- Red/Burgundy
- White
- Flower Inflorescence:
- Head
- Raceme
- Flower Value To Gardener:
- Showy
- Flower Bloom Time:
- Fall
- Summer
- Flower Shape:
- Radial
- Flower Petals:
- more than 20 petals/rays
- Flower Size:
- < 1 inch
- Flower Description:
- .75-in. flower head; 15-25 white to pale purplish petals; yellow center on one sided racems. Blooms from late summer to mid fall.
-
-
Leaves:
- Woody Plant Leaf Characteristics:
- Deciduous
- Leaf Color:
- Green
- Leaf Feel:
- Smooth
- Velvety
- Leaf Value To Gardener:
- Good Cut
- Leaf Type:
- Simple
- Leaf Arrangement:
- Alternate
- Leaf Shape:
- Lanceolate
- Linear
- Oblong
- Spatulate
- Leaf Margin:
- Entire
- Hairs Present:
- Yes
- Leaf Length:
- 1-3 inches
- Leaf Width:
- < 1 inch
- Leaf Description:
- Hairy or smooth, narrow or lance shaped, stalkless, 1-3 in. leaves; limited or no teeth. Resemble heather leaves.
-
-
Stem:
- Stem Color:
- Brown/Copper
- Green
- Stem Is Aromatic:
- No
- Stem Form:
- Straight
- Stem Surface:
- Hairy (pubescent)
- Stem Description:
- Several slender branches which are ascending or stiffly spreading
-
-
Landscape:
- Landscape Location:
- Meadow
- Naturalized Area
- Slope/Bank
- Landscape Theme:
- Butterfly Garden
- Cottage Garden
- Rock Garden
- Design Feature:
- Border
- Attracts:
- Bees
- Butterflies
- Predatory Insects
- Specialized Bees
- Resistance To Challenges:
- Deer
- Diseases
- Drought
- Dry Soil
- Erosion
- Poor Soil